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South African Journal of Science

versão On-line ISSN 1996-7489
versão impressa ISSN 0038-2353

Resumo

WARREN, Kerryn A.; HALL, Simon  e  ACKERMANN, Rebecca R.. Craniodental continuity and change between Iron Age peoples and their descendants. S. Afr. j. sci. [online]. 2014, vol.110, n.7-8, pp.1-11. ISSN 1996-7489.

The appearance of the Iron Age of southern Africa early in the first millennium AD is associated with the migration of Bantu speakers who were broadly ancestral to present-day Bantu speakers. While there is sufficient genetic, physical anthropological and cultural evidence to support general continuity into contemporary populations, the extent to which events since colonialism have affected morphological variation is poorly understood. We used dental anthropological techniques and three-dimensional craniomandibular metrics to examine biological relationships among Iron Age farmers, a historical 19th-century Ndebele sample and 20th-century Bantu speakers. We show that, although Iron Age and modern morphologies are generally similar, there are differences. Moreover, the historical sample falls between the precolonial and modern samples, suggesting increased genetic exchange from the 19th century onwards. These results suggest that recent historical events altered the genetic make-up of Bantu speakers and that, as a result, extrapolations from modern groups to the past should be done with caution as morphological variability is relative to historical context.

Palavras-chave : dental anthropology; southern Africa; Bantu speakers; admixture; Historic Cave.

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